Coating machine



FIG. 1 is a perspective front view of a coating machine showing our new design;

FIG. 2 is an alternative perspective front view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a perspective rear view thereof; and,

FIG. 7 is a perspective front view with a chamber door in an open in-use position thereof.

The broken lines shown in the figures illustrate environmental structure and form no part of the claimed design. 

CLAIM The ornamental design for a coating machine, as shown and described. 